docs: add npmx-redirect extension to readme

Author: iAverages

README.md

@@ -116,7 +116,7 @@ npmx.dev supports npm permalinks – just replace `npmjs.com` with `npmx.dev
 | `npmjs.com/org/nuxt`            | [`npmx.dev/org/nuxt`](https://npmx.dev/org/nuxt)                       |
 
 > [!TIP]
-> Want automatic redirects? Try the [npmx-replace browser extension](https://github.com/tylersayshi/npmx-replace-extension) (Chrome only for now).
+> Want automatic redirects? Try the [npmx-replace browser extension](https://github.com/tylersayshi/npmx-replace-extension) (Chrome only for now) or the separate [npmx-redirect extension](https://github.com/iaverages/npmx-redirect) for [Chrome](https://chromewebstore.google.com/detail/lbhjgfgpnlihfmobnohoipeljollhlnb) / [Firefox](https://addons.mozilla.org/en-GB/firefox/addon/npmx-redirect/).
 
 #### Not yet supported
 
@@ -159,6 +159,7 @@ We welcome contributions – please do feel free to explore the project and
 - [nxjt](https://nxjt.netlify.app) – npmx Jump To: Quickly navigate to npmx common webpages.
 - [npmx-weekly](https://npmx-weekly.trueberryless.org/) – A weekly newsletter for the npmx ecosystem. Add your own content via suggestions in the weekly PR on [GitHub](https://github.com/trueberryless-org/npmx-weekly/pulls?q=is%3Aopen+is%3Apr+label%3A%22%F0%9F%95%94+weekly+post%22).
 - [npmx-digest](https://npmx-digest.trueberryless.org/) – An automated news aggregation website that summarizes npmx activity from GitHub and Bluesky every 8 hours.
+- [npmx-redirect](https://github.com/iaverages/npmx-redirect) – Browser extension that automatically redirects npmjs.com URLs to npmx.dev.
 
 If you're building something cool, let us know! 🙏